四年级同学去旅游。每套车票和门票49元,一共需要104套票。应该准备多少钱买票?
列式:49×104≈____ (元)
“东沟海战天如墨,炮震烟迷船掀侧。致远鼓棹冲重围,万火丛中呼杀贼。”与此诗相关的历史事件是( )
某商户以每件8元的价格购进若干件“四季如春植绒窗花”到市场去销售,销售金额y(元)与销售量x(件)的函数关系的图象如图所示,则降价后每件商品销售的价格为( )
- Tom, you look tired this morning. What's wrong?
- I was busy and I didn't go to bed _________ 12 o'clock last night